diff --git a/html/changelogs/AutoChangeLog-pr-3908.yml b/html/changelogs/AutoChangeLog-pr-3908.yml
new file mode 100644
index 0000000000..bd69080a7d
--- /dev/null
+++ b/html/changelogs/AutoChangeLog-pr-3908.yml
@@ -0,0 +1,4 @@
+author: "CitadelStationBot"
+delete-after: True
+changes: 
+  - bugfix: "Posters may no longer be placed on diagonal wall corners."